Thanks Dennis 

Larry Davis,
VM Capability

-----Original Message-----
From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of O'Brien, 
Dennis L
Sent: Friday, September 04, 2015 2:02 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: SSI LGR using CMS PROFILE with SWAPGEN and VDISK

Larry,
Yes, we call SWAPGEN from PROFILE EXEC.  We normally put VDISK swap devices on 
virtual addresses 100 and 101.  For each of these addresses, our PROFILE EXEC 
checks for the existence of a device at that address.  If it finds one, it 
leaves it alone.  If not, PROFILE EXEC calculates the size of a virtual disk as 
a percentage of memory size, observing the limit of 4,194,296 blocks, and 
defines it with a DEFINE VFB-512 command.  PROFILE EXEC then uses QUERY VIRTUAL 
DASD to find all VDISK's defined to the guest and formats them with SWAPGEN.  
All Linux guests have a shared read-only 191 disk, so they all have the same 
PROFILE EXEC.

This allows us to have three different flavors of swap disk, all of which are 
eligible for LGR:
1. Defined dynamically as a default percentage of memory.
2. Defined in the directory with COMMAND DEFINE VFB-512 at a specific size.
3. Defined in the directory on 3390 DASD.

The typical guest has two swap disks at a percentage of memory and one on 3390.

                                                                                
                                                            Dennis O'Brien

2 Sep 1945 - The Japanese Instrument of Surrender is signed on board USS 
Missouri in Tokyo Bay.  President Truman proclaims this as the official V-J Day.



-----Original Message-----
From: Linux on 390 Port [mailto:LINUX-390@vm.marist.edu] On Behalf Of Davis, 
Larry (National VM Capability)
Sent: Friday, September 04, 2015 10:44
To: LINUX-390@vm.marist.edu
Subject: Re: SSI LGR using CMS PROFILE with SWAPGEN and VDISK

And you do the SWAPGEN commands in the PROFILE EXEC also 

Larry Davis,
VM Capability

-----Original Message-----
From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of O'Brien, 
Dennis L
Sent: Friday, September 04, 2015 1:30 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: SSI LGR using CMS PROFILE with SWAPGEN and VDISK

We do pretty much what Marcy does:

Call Diag 8,'DETACH 190 19D 19E'
Push 'CP IPL' device

                                                                                
                                                            Dennis O'Brien

2 Sep 1945 - The Japanese Instrument of Surrender is signed on board USS 
Missouri in Tokyo Bay.  President Truman proclaims this as the official V-J Day.


-----Original Message-----
From: Linux on 390 Port [mailto:LINUX-390@vm.marist.edu] On Behalf Of Marcy 
Cortes
Sent: Friday, September 04, 2015 09:55
To: LINUX-390@vm.marist.edu
Subject: Re: SSI LGR using CMS PROFILE with SWAPGEN and VDISK

Our exec does

queue "CP DET 190"
queue "CP DET 19E"
queue "CP IPL 101 CLEAR"



-----Original Message-----
From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of Davis, 
Larry (National VM Capability)
Sent: Friday, September 04, 2015 9:36 AM
To: LINUX-390@VM.MARIST.EDU
Subject: [LINUX-390] SSI LGR using CMS PROFILE with SWAPGEN and VDISK

How are people using a CMS PROFILE EXEC and SWAPGEN to create Linux swap files 
on VDISK, and then using LGR to move a Linux server from one member to the 
other.

We get an error that the CMS disks in one member don't have the same EQID in 
the other member when we try to test the relocation



Larry Davis,
VM Capability
HP Enterprise
Tel: +1 813  394 4240
E-mail: larry.dav...@hpe.com<mailto:larry.dav...@hpe.com>


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